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  1. #1
    Moderator urbanfarmer's Avatar
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    Representative chemical species in soil solutions




  2. #2
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    Re: Representative chemical species in soil solutions

    thanks for the info, now where did i put my chem books?

  3. #3
    Moderator urbanfarmer's Avatar
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    Re: Representative chemical species in soil solutions

    We just went over this in class and I said, "BY GOD, WHY HAVEN'T I COME ACROSS THIS INFORMATION BEFORE?!??" It makes so much more sense and helps us who are pioneers better design our systems (instead of that simple chart with the pH and the nutrients on a scale). ENJOY!

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    Re: Representative chemical species in soil solutions

    Some of your stuff make my eyes cross XD
    “Being happy doesn't mean that everything is perfect. It means that you've decided to look beyond the imperfections."

  5. #5
    Moderator davidstcldfl's Avatar
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    Re: Representative chemical species in soil solutions

    I still like the KISS chart better....


    Quote Originally Posted by sirtoggle
    Some of your stuff make my eyes cross XD
    Some of his stuff makes my eyes ..... :P
    "Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same." - President Ronald Reagan

  6. #6
    Moderator urbanfarmer's Avatar
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    Re: Representative chemical species in soil solutions

    David...

    IDK, I wish I had this information earlier this year. The water chemistry in AP systems are too complicated to understand from that chart, and that chart is not ALWAYS right and the table above starts to show you that... but, meh, the simple chart is good too!

  7. #7
    Moderator davidstcldfl's Avatar
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    Re: Representative chemical species in soil solutions

    Quote Originally Posted by urbanfarmer
    that chart is not ALWAYS right
    It's a shame, that there is no one that can make a graph that is right......
    "Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same." - President Ronald Reagan

  8. #8
    Moderator urbanfarmer's Avatar
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    Re: Representative chemical species in soil solutions

    Well, I guess technically it could be right if it was titled "General Availability of Nutrients at Varying pH" because the title would in itself suggest it's not always right!

  9. #9
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    Re: Representative chemical species in soil solutions

    That chart was originally from hydroponics field which use as nutrients inorganic salts, while the majority of our nutes are organic and readily available to the plants. Nutrient defieciencies we experience are because the nutrients aren't present or if present precipitate out of solution quickly. IMHO

  10. #10
    Moderator urbanfarmer's Avatar
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    Re: Representative chemical species in soil solutions

    Quote Originally Posted by cedarswamp
    That chart was originally from hydroponics field which use as nutrients inorganic salts, while the majority of our nutes are organic and readily available to the plants. Nutrient defieciencies we experience are because the nutrients aren't present or if present precipitate out of solution quickly. IMHO
    No, in nature certain nutrients are almost always inorganic when available to the plant and must be inorganic to be available to the plant. Oh these classes are eye opening!

    For example potassium.

    TV, the media, marketing and advertising campaigns from food companies, have sold us on these "organic" concepts that are incorrect except from a fundamentally philosophical perspective that promotes sustainability. I'm not sure why I didn't realize that before... I kinda just bought into it as well, but that's what life is for live and learn!

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